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TLX Insulation Ltd has been setting
standards of excellence in high
performance breathable membranes
and building insulation for nearly
25 years. We’ve now used our
knowledge and expertise to create
TLX - the first ever bat friendly,
energy-saving breather membrane.
Until now when Bats are found, only 1F
felt has been used. This has come at
considerable cost to energy saving
because 1F felt requires extra rafter space
if insulation is used; in old buildings this is
often not possible.
TLX is designed with a
tough mesh protection. Unlike 1F felt,
TLX is lightweight, high
strength and breathable whilst
continuing to offer all the usual levels
of performance you’d expect from
TLX energy-saving breather
membranes.
TLX Insulation Ltd.Moss LaneBlackrodBoltonBL6 5JB01204 695666www.tlxinsulation.co.uk We’ve got the answers... just ask
Applications
• Can be used in warm or cold roof constructions • Suitable for unsupported and supported applications
Fixing instructions• Install Batsafe in accordance with the following
instructions and with the relevant standards, forexample:
• BS 5534:2014+A2:2018 Code of Practice forslating and TIiing
• BS 5250:2011 Code of Practice for the controlof condensation in Buildings
• Lap Batsafe according to the following tables- minimum overlap requirements:
Limitation advice• Laid directly over insulation a vapour control layer may be required on the warm side of
the insulation. Refer to BS5250 : 2011 British Standard Code of Practice for the Controlof Condensation in Buildings
• Do not bring into contact with solvents or undried timber preservatives• Avoid excessive use of nails and clamps• Damaged areas should be covered with a second layer of Batsafe, sealing around the edges
with a proprietary breather membrane tape with thick acrylic adhesive and applying pressure• Counter-battening is recommended• Batsafe may be used as a temporary waterproof covering for up to 2 weeks. However, like all
polymer membranes, sunlight will cause gradual deterioration and it is good practice to coverwith tiles or slates at the earliest opportunity. In periods of intense sunlight, protect the roofunderlay with a temporary cover prior to tiling or slating
TLX Insulation Ltd. Moss Lane, Station Road Blackrod, Lancs BL6 5JB 01204 695666 www.tlxinsulation.co.uk We’ve got the answers... just ask
THERMAL HOTLINE
01204 674730
• At eaves, use an eaves guard or eaves sheetextending into the gutterthen overlap the eavesguard with the first run ofBatsafe, black side uppermost (1)
• Lay Batsafe parallel to eaves, starting at the eaves and working up the slope of the roof (2)
• For unsupportedapplications, allow Batsafe o drape slightly (at least 10mm) between the rafters to allow water run-off.
• Where Batsafe is installedover a fully supported system,fix counter battens, at least25mm thick, over the underlayand through to the raftersusing corrosion-resistant clout nails. Fix tile battens to the counter battens so that there is an uninterrupted air space between the underlay and the roof tiles or slates.
• At hips Batsafe should be lapped over 600mm (min)wide strips of Batsafe covering hips
• At valleys a conventional breather membrane orprotective sheet should be used underneath thevalley lining itself with the Batsafe lapping over itunder the first tile
fully supported
150
100
75
Roof Pitch
12.5°-14°
15°-30°
34° +
Horizontal Lap mm
partially supported
225
150
100
Vertical Lap mm
100
100
100
Hips mm 150
Valleys mm 300
Standard ridges mm 150 on either side of the apex
Installation Instructions